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Old 12-12-2010, 03:37 PM
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CometGuy
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CometGuy is offline
 
Join Date: Feb 2005
Location: Brisbane
Posts: 942
I've been doing some reading and it seems Andrew and Marc are right. Apparently, light is reflected back from the corrector plate causing these ghosts. One thing that might be worth trying is to tilt the corrector plate slightly so that ghosts are outside the field - not sure what effect that will have on image quality though.

Anyway, here is the reflection I see in my hyperstar from Zeta Orionis.

Terry
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